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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16960) RegionServer hang when aborting
Date Mon, 31 Oct 2016 19:15:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15623074#comment-15623074
] 

stack commented on HBASE-16960:
-------------------------------

I've been thinking about this. If 7k outstanding appends, then 1., there are few syncs going
on in this set up (is that right [~aoxiang]) and 2., yeah, we must be dispatching Packets
as we fill up 64kb (default size) and so something like the above might happen. I suppose
no chance of figuring why we timed out against one of the DNs in the pipeline?

> RegionServer hang when aborting
> -------------------------------
>
>                 Key: HBASE-16960
>                 URL: https://issues.apache.org/jira/browse/HBASE-16960
>             Project: HBase
>          Issue Type: Bug
>            Reporter: binlijin
>            Assignee: binlijin
>         Attachments: HBASE-16960.patch, HBASE-16960_master_v2.patch, RingBufferEventHandler.png,
RingBufferEventHandler_exception.png, SyncFuture.png, SyncFuture_exception.png, rs1081.jstack
>
>
> We see regionserver hang when aborting several times and cause all regions on this regionserver
out of service and then all affected applications stop works.



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